Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.093 mH 1.182 mH 1.232 mH 1.043 mH 1.093 mH 1.182 mH 1.232 mH 1.043 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of low alternator efficiency low steam turbine mechanical efficiency high energy loss in condenser high energy loss in boilers low alternator efficiency low steam turbine mechanical efficiency high energy loss in condenser high energy loss in boilers ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 478 MW 400 MW 386 MW 456 MW 478 MW 400 MW 386 MW 456 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Non-commercial sources of energy are None of these fossil fuel, hydro power and nuclear power. wood, animal wastes and agricultural wastes. solar, wind and biomass. None of these fossil fuel, hydro power and nuclear power. wood, animal wastes and agricultural wastes. solar, wind and biomass. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is glass mica All of these porcelain glass mica All of these porcelain ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are Cost of electrical energy per KWh is to be minimum nether 1 nor 2 Rated voltage and frequency has to be supplied to the consumers both 1 and 2 Cost of electrical energy per KWh is to be minimum nether 1 nor 2 Rated voltage and frequency has to be supplied to the consumers both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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